Hiroshi Ishikawa
as Gengo Kotaka
Yuriko Hishimi
as Tomoko Tomoe
Tomoko Umeda
as Machiko Shima
Minoru Takashima
as Shosaku Takasugi
Zan Fujita
as Fumio Sudo
Kunio Murai
as Takashi Shima
Toshiaki Nishizawa
as Kubota, Head of Children's Land
Gen Shimizu
as Commander of Defense Forces